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class="sidebar-heading clickable"><!----> <span class="title">调测工具 | 4</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading clickable"><!----> <span class="title">前因后果 | 4</span> <span class="arrow right"></span></p> <!----></section></li></ul> <!----> <div class="content__sidebar-bottom"></div> <!----></aside> <main class="page"><nav class="breadcrumb disable"><!----></nav> <!----> <div class="content__page-top"></div> <div vocab="https://schema.org/" typeof="Article" class="page-title"><h1><!----> <span property="headline"></span></h1> <div class="page-info"><!----> </div> <!----> <hr></div> <div class="anchor-place-holder"><aside id="anchor"><div class="anchor-wrapper"><ul class="anchor-list"><li class="anchor"><a href="/blog/00.html#关于作者" class="anchor-link heading3"><div>关于作者</div></a></li><li class="anchor"><a href="/blog/00.html#热爱是所有的理由和答案" class="anchor-link 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等核心子系统。工程浩大，自不量力，然兴趣所至，义无反顾， 此念不息，坚如磐石。</p> <h3 id="热爱是所有的理由和答案">热爱是所有的理由和答案</h3> <ul><li><p>因大学时阅读 linux 2.6 内核痛并快乐的经历，一直有个心愿，对底层基础技术进行一次系统性的整理，方便自己随时翻看，同时让更多对底层感兴趣的小伙伴减少时间，加速对计算机系统级的理解，而不至于过早的放弃。但因过程种种，多年一直没有行动，基本要放弃这件事了。恰逢 2020/9/10 鸿蒙正式开源，重新激活了多年的心愿，就有那么点如黄河之水一发不可收拾了。</p></li> <li><p>包含三部分内容：<strong>注源</strong>，<strong>写博</strong> ，<strong>画图</strong>， 目前对内核源码的注解完成 80% ，博客分析完成80+篇，百图画鸿蒙完成20张，空闲时间几乎被占用，时间不够用，但每天都很充实，连做梦鸿蒙系统都在鱼贯而入。是件很有挑战的事，时间单位以年计，已持续一年半，期间得到众多小伙伴的支持与纠错，在此谢过 ! 😛</p></li></ul> <h3 id="如何下载最新pdf版本">如何下载最新PDF版本？</h3> <p><strong>本次版本日期</strong> : <code>2022/05/27</code> <a href="https://weharmony.gitee.io/history.html" target="_blank" rel="noopener noreferrer">下载最新版本前往 &gt;&gt; https://weharmony.gitee.io/history.html</a></p> <h3 id="百文说内核-抓住主脉络">百文说内核 | 抓住主脉络</h3> <ul><li>百文相当于摸出内核的肌肉和器官系统，让人开始丰满有立体感，因是直接从注释源码起步，在加注释过程中，每每有心得处就整理,慢慢形成了以下文章。内容立足源码，常以生活场景打比方尽可能多的将内核知识点置入某种场景，具有画面感，容易理解记忆。说别人能听得懂的话很重要! 百篇博客绝不是百度教条式的在说一堆诘屈聱牙的概念，那没什么意思。更希望让内核变得栩栩如生，倍感亲切。</li> <li>与代码需不断<code>debug</code>一样，文章内容会存在不少错漏之处，请多包涵，但会反复修正，持续更新，<code>v**.xx</code> 代表文章序号和修改的次数，精雕细琢，言简意赅，力求打造精品内容。</li> <li>百文在 &lt; 鸿蒙研究站 | 开源中国 | 博客园 | 51cto | csdn | 知乎 | 掘金 &gt; 站点发布，百篇博客系列目录如下。</li> <li><img src="https://weharmonyos.oss-cn-hangzhou.aliyuncs.com/resources/common/cate.png" alt=""></li></ul> <p><strong>基础知识</strong></p> <ul><li><a href="http://weharmonyos.com/blog/01.html" target="_blank" rel="noopener noreferrer">v01.12 鸿蒙内核源码分析(双向链表) | 谁是内核最重要结构体</a></li> <li><a href="http://weharmonyos.com/blog/02.html" target="_blank" rel="noopener noreferrer">v02.01 鸿蒙内核源码分析(内核概念) | 名不正则言不顺</a></li> <li><a href="http://weharmonyos.com/blog/03.html" target="_blank" rel="noopener noreferrer">v03.02 鸿蒙内核源码分析(源码结构) | 宏观尺度看内核结构</a></li> <li><a href="http://weharmonyos.com/blog/04.html" target="_blank" rel="noopener noreferrer">v04.01 鸿蒙内核源码分析(地址空间) | 内核如何看待空间</a></li> <li><a href="http://weharmonyos.com/blog/05.html" target="_blank" rel="noopener noreferrer">v05.03 鸿蒙内核源码分析(计时单位) | 内核如何看待时间</a></li> <li><a href="http://weharmonyos.com/blog/06.html" target="_blank" rel="noopener noreferrer">v06.01 鸿蒙内核源码分析(优雅的宏) | 编译器也喜欢复制粘贴 </a></li> <li><a href="http://weharmonyos.com/blog/07.html" target="_blank" rel="noopener noreferrer">v07.01 鸿蒙内核源码分析(钩子框架) | 万物皆可HOOK </a></li> <li><a href="http://weharmonyos.com/blog/08.html" target="_blank" rel="noopener noreferrer">v08.04 鸿蒙内核源码分析(位图管理) | 一分钱被掰成八半使用</a></li> <li><a href="http://weharmonyos.com/blog/09.html" target="_blank" rel="noopener noreferrer">v09.01 鸿蒙内核源码分析(POSIX) | 操作系统界的话事人 </a></li> <li><a href="http://weharmonyos.com/blog/10.html" target="_blank" rel="noopener noreferrer">v10.01 鸿蒙内核源码分析(main函数) | 要走了无数码农的第一次 </a></li></ul> <p><strong>进程管理</strong></p> <ul><li><a href="http://weharmonyos.com/blog/11.html" target="_blank" rel="noopener noreferrer">v11.04 鸿蒙内核源码分析(调度故事) | 大郎，该喝药了</a></li> <li><a href="http://weharmonyos.com/blog/12.html" target="_blank" rel="noopener noreferrer">v12.03 鸿蒙内核源码分析(进程控制块) | 可怜天下父母心</a></li> <li><a href="http://weharmonyos.com/blog/13.html" target="_blank" rel="noopener noreferrer">v13.01 鸿蒙内核源码分析(进程空间) | 有爱的地方才叫家 </a></li> <li><a href="http://weharmonyos.com/blog/14.html" target="_blank" rel="noopener noreferrer">v14.01 鸿蒙内核源码分析(线性区) | 人要有空间才能好好相处</a></li> <li><a href="http://weharmonyos.com/blog/15.html" target="_blank" rel="noopener noreferrer">v15.01 鸿蒙内核源码分析(红黑树) | 众里寻他千百度 </a></li> <li><a href="http://weharmonyos.com/blog/16.html" target="_blank" rel="noopener noreferrer">v16.06 鸿蒙内核源码分析(进程管理) | 家家有本难念的经</a></li> <li><a href="http://weharmonyos.com/blog/17.html" target="_blank" rel="noopener noreferrer">v17.05 鸿蒙内核源码分析(Fork进程) | 一次调用 两次返回</a></li> <li><a href="http://weharmonyos.com/blog/18.html" target="_blank" rel="noopener noreferrer">v18.02 鸿蒙内核源码分析(进程回收) | 临终托孤的短命娃</a></li> <li><a href="http://weharmonyos.com/blog/19.html" target="_blank" rel="noopener noreferrer">v19.03 鸿蒙内核源码分析(Shell编辑) | 两个任务 三个阶段</a></li> <li><a href="http://weharmonyos.com/blog/20.html" target="_blank" rel="noopener noreferrer">v20.01 鸿蒙内核源码分析(Shell解析) | 应用窥伺内核的窗口</a></li></ul> <p><strong>任务管理</strong></p> <ul><li><a href="http://weharmonyos.com/blog/21.html" target="_blank" rel="noopener noreferrer">v21.07 鸿蒙内核源码分析(任务控制块) | 内核最重要的概念</a></li> <li><a href="http://weharmonyos.com/blog/22.html" target="_blank" rel="noopener noreferrer">v22.05 鸿蒙内核源码分析(并发并行) | 如何搞清楚它俩区分</a></li> <li><a href="http://weharmonyos.com/blog/23.html" target="_blank" rel="noopener noreferrer">v23.03 鸿蒙内核源码分析(就绪队列) | 美好的事物永远值得等待</a></li> <li><a href="http://weharmonyos.com/blog/24.html" target="_blank" rel="noopener noreferrer">v24.08 鸿蒙内核源码分析(调度机制) | 公平是相对的</a></li> <li><a href="http://weharmonyos.com/blog/25.html" target="_blank" rel="noopener noreferrer">v25.05 鸿蒙内核源码分析(任务管理) | 如何管理任务池</a></li> <li><a href="http://weharmonyos.com/blog/26.html" target="_blank" rel="noopener noreferrer">v26.03 鸿蒙内核源码分析(用栈方式) | 谁来提供程序运行场地</a></li> <li><a href="http://weharmonyos.com/blog/27.html" target="_blank" rel="noopener noreferrer">v27.02 鸿蒙内核源码分析(软件定时器) | 内核最高级任务竟是它</a></li> <li><a href="http://weharmonyos.com/blog/28.html" target="_blank" rel="noopener noreferrer">v28.01 鸿蒙内核源码分析(控制台) | 一个让很多人模糊的概念</a></li> <li><a href="http://weharmonyos.com/blog/29.html" target="_blank" rel="noopener noreferrer">v29.01 鸿蒙内核源码分析(远程登录) | 内核如何接待远方的客人</a></li> <li><a href="http://weharmonyos.com/blog/30.html" target="_blank" rel="noopener noreferrer">v30.01 鸿蒙内核源码分析(协议栈) | 正在制作中 ... </a></li></ul> <p><strong>内存管理</strong></p> <ul><li><a href="http://weharmonyos.com/blog/31.html" target="_blank" rel="noopener noreferrer">v31.02 鸿蒙内核源码分析(内存规则) | 内存管理到底在管什么</a></li> <li><a href="http://weharmonyos.com/blog/32.html" target="_blank" rel="noopener noreferrer">v32.04 鸿蒙内核源码分析(物理内存) | 真实的可不一定精彩</a></li> <li><a href="http://weharmonyos.com/blog/33.html" target="_blank" rel="noopener noreferrer">v33.04 鸿蒙内核源码分析(内存概念) | RAM &amp; ROM &amp; Flash</a></li> <li><a href="http://weharmonyos.com/blog/34.html" target="_blank" rel="noopener noreferrer">v34.03 鸿蒙内核源码分析(虚实映射) | 映射是伟大的发明</a></li> <li><a href="http://weharmonyos.com/blog/35.html" target="_blank" rel="noopener noreferrer">v35.02 鸿蒙内核源码分析(页表管理) | 映射关系保存在哪</a></li> <li><a href="http://weharmonyos.com/blog/36.html" target="_blank" rel="noopener noreferrer">v36.03 鸿蒙内核源码分析(静态分配) | 很简单的一位小朋友</a></li> <li><a href="http://weharmonyos.com/blog/37.html" target="_blank" rel="noopener noreferrer">v37.01 鸿蒙内核源码分析(TLFS算法) | 图表解读TLFS原理 </a></li> <li><a href="http://weharmonyos.com/blog/38.html" target="_blank" rel="noopener noreferrer">v38.01 鸿蒙内核源码分析(内存池管理) | 如何高效切割合并内存块 </a></li> <li><a href="http://weharmonyos.com/blog/39.html" target="_blank" rel="noopener noreferrer">v39.04 鸿蒙内核源码分析(原子操作) | 谁在守护指令执行的完整性</a></li> <li><a href="http://weharmonyos.com/blog/40.html" target="_blank" rel="noopener noreferrer">v40.01 鸿蒙内核源码分析(圆整对齐) | 正在制作中 ... </a></li></ul> <p><strong>通讯机制</strong></p> <ul><li><a href="http://weharmonyos.com/blog/41.html" target="_blank" rel="noopener noreferrer">v41.04 鸿蒙内核源码分析(通讯总览) | 内核跟人一样都喜欢八卦</a></li> <li><a href="http://weharmonyos.com/blog/42.html" target="_blank" rel="noopener noreferrer">v42.08 鸿蒙内核源码分析(自旋锁) | 死等丈夫归来的贞洁烈女</a></li> <li><a href="http://weharmonyos.com/blog/43.html" target="_blank" rel="noopener noreferrer">v43.05 鸿蒙内核源码分析(互斥锁) | 有你没她 相安无事</a></li> <li><a href="http://weharmonyos.com/blog/44.html" target="_blank" rel="noopener noreferrer">v44.02 鸿蒙内核源码分析(快锁使用) | 用户态负责快锁逻辑</a></li> <li><a href="http://weharmonyos.com/blog/45.html" target="_blank" rel="noopener noreferrer">v45.02 鸿蒙内核源码分析(快锁实现) | 内核态负责快锁调度</a></li> <li><a href="http://weharmonyos.com/blog/46.html" target="_blank" rel="noopener noreferrer">v46.01 鸿蒙内核源码分析(读写锁) | 内核如何实现多读单写</a></li> <li><a href="http://weharmonyos.com/blog/47.html" target="_blank" rel="noopener noreferrer">v47.05 鸿蒙内核源码分析(信号量) | 谁在解决任务间的同步</a></li> <li><a href="http://weharmonyos.com/blog/48.html" target="_blank" rel="noopener noreferrer">v48.07 鸿蒙内核源码分析(事件机制) | 多对多任务如何同步</a></li> <li><a href="http://weharmonyos.com/blog/49.html" target="_blank" rel="noopener noreferrer">v49.05 鸿蒙内核源码分析(信号生产) | 年过半百 活力十足</a></li> <li><a href="http://weharmonyos.com/blog/50.html" target="_blank" rel="noopener noreferrer">v50.03 鸿蒙内核源码分析(信号消费) | 谁让CPU连续四次换栈运行</a></li> <li><a href="http://weharmonyos.com/blog/51.html" target="_blank" rel="noopener noreferrer">v51.03 鸿蒙内核源码分析(消息队列) | 进程间如何异步传递大数据</a></li> <li><a href="http://weharmonyos.com/blog/52.html" target="_blank" rel="noopener noreferrer">v52.02 鸿蒙内核源码分析(消息封装) | 剖析LiteIpc(上)进程通讯内容</a></li> <li><a href="http://weharmonyos.com/blog/53.html" target="_blank" rel="noopener noreferrer">v53.01 鸿蒙内核源码分析(消息映射) | 剖析LiteIpc(下)进程通讯机制</a></li> <li><a href="http://weharmonyos.com/blog/54.html" target="_blank" rel="noopener noreferrer">v54.01 鸿蒙内核源码分析(共享内存) | 进程间最快通讯方式</a></li></ul> <p><strong>文件系统</strong></p> <ul><li><a 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href="http://weharmonyos.com/blog/62.html" target="_blank" rel="noopener noreferrer">v62.05 鸿蒙内核源码分析(管道文件) | 如何降低数据流动成本</a></li> <li><a href="http://weharmonyos.com/blog/63.html" target="_blank" rel="noopener noreferrer">v63.03 鸿蒙内核源码分析(文件映射) | 正在制作中 ... </a></li> <li><a href="http://weharmonyos.com/blog/64.html" target="_blank" rel="noopener noreferrer">v64.01 鸿蒙内核源码分析(写时拷贝) | 正在制作中 ... </a></li></ul> <p><strong>硬件架构</strong></p> <ul><li><a href="http://weharmonyos.com/blog/65.html" target="_blank" rel="noopener noreferrer">v65.01 鸿蒙内核源码分析(芯片模式) | 回顾芯片行业各位大佬</a></li> <li><a href="http://weharmonyos.com/blog/66.html" target="_blank" rel="noopener noreferrer">v66.03 鸿蒙内核源码分析(ARM架构) | ARMv7 &amp; Cortex(A|R|M)</a></li> <li><a href="http://weharmonyos.com/blog/67.html" target="_blank" rel="noopener noreferrer">v67.01 鸿蒙内核源码分析(指令集) | CICS PK RICS</a></li> <li><a href="http://weharmonyos.com/blog/68.html" target="_blank" rel="noopener noreferrer">v68.01 鸿蒙内核源码分析(协处理器) | CPU的好帮手 </a></li> <li><a href="http://weharmonyos.com/blog/69.html" target="_blank" rel="noopener noreferrer">v69.05 鸿蒙内核源码分析(工作模式) | 角色不同 责任不同</a></li> <li><a href="http://weharmonyos.com/blog/70.html" target="_blank" rel="noopener noreferrer">v70.06 鸿蒙内核源码分析(寄存器) | 世界被它们玩出了花</a></li> <li><a href="http://weharmonyos.com/blog/71.html" target="_blank" rel="noopener noreferrer">v71.03 鸿蒙内核源码分析(多核管理) | 并发真正的基础</a></li> <li><a href="http://weharmonyos.com/blog/72.html" target="_blank" rel="noopener noreferrer">v72.05 鸿蒙内核源码分析(中断概念) | 海公公的日常工作</a></li> <li><a href="http://weharmonyos.com/blog/73.html" target="_blank" rel="noopener noreferrer">v73.04 鸿蒙内核源码分析(中断管理) | 没中断太可怕</a></li></ul> <p><strong>内核汇编</strong></p> <ul><li><a href="http://weharmonyos.com/blog/74.html" target="_blank" rel="noopener noreferrer">v74.01 鸿蒙内核源码分析(编码方式) | 机器指令是如何编码的 </a></li> <li><a href="http://weharmonyos.com/blog/75.html" target="_blank" rel="noopener noreferrer">v75.03 鸿蒙内核源码分析(汇编基础) | CPU上班也要打卡</a></li> <li><a href="http://weharmonyos.com/blog/76.html" target="_blank" rel="noopener noreferrer">v76.04 鸿蒙内核源码分析(汇编传参) | 如何传递复杂的参数</a></li> <li><a href="http://weharmonyos.com/blog/77.html" target="_blank" rel="noopener noreferrer">v77.01 鸿蒙内核源码分析(链接脚本) | 正在制作中 ... </a></li> <li><a href="http://weharmonyos.com/blog/78.html" target="_blank" rel="noopener noreferrer">v78.01 鸿蒙内核源码分析(内核启动) | 从汇编到main()</a></li> <li><a href="http://weharmonyos.com/blog/79.html" target="_blank" rel="noopener noreferrer">v79.01 鸿蒙内核源码分析(进程切换) | 正在制作中 ... </a></li> <li><a href="http://weharmonyos.com/blog/80.html" target="_blank" rel="noopener noreferrer">v80.03 鸿蒙内核源码分析(任务切换) | 看汇编如何切换任务</a></li> <li><a href="http://weharmonyos.com/blog/81.html" target="_blank" rel="noopener noreferrer">v81.05 鸿蒙内核源码分析(中断切换) | 系统因中断活力四射</a></li> <li><a href="http://weharmonyos.com/blog/82.html" target="_blank" rel="noopener noreferrer">v82.06 鸿蒙内核源码分析(异常接管) | 社会很单纯 复杂的是人</a></li> <li><a href="http://weharmonyos.com/blog/83.html" 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